A benchmark script for meson's version comparison

benchmark.py

import timeit
import operator

from mesonbuild.mesonlib import Version

versions = [
    (Version(a), Version(b), o) for a, b, o in [
        # examples from https://fedoraproject.org/wiki/Archive:Tools/RPM/VersionComparison
        ("1.0010", "1.9", operator.gt),
        ("1.05", "1.5", operator.eq),
        ("1.0", "1", operator.gt),
        ("2.50", "2.5", operator.gt),
        ("fc4", "fc.4", operator.eq),
        ("FC5", "fc4", operator.lt),
        ("2a", "2.0", operator.lt),
        ("1.0", "1.fc4", operator.gt),
        ("3.0.0_fc", "3.0.0.fc", operator.eq),
        # from RPM tests
        ("1.0", "1.0", operator.eq),
        ("1.0", "2.0", operator.lt),
        ("2.0", "1.0", operator.gt),
        ("2.0.1", "2.0.1", operator.eq),
        ("2.0", "2.0.1", operator.lt),
        ("2.0.1", "2.0", operator.gt),
        ("2.0.1a", "2.0.1a", operator.eq),
        ("2.0.1a", "2.0.1", operator.gt),
        ("2.0.1", "2.0.1a", operator.lt),
        ("5.5p1", "5.5p1", operator.eq),
        ("5.5p1", "5.5p2", operator.lt),
        ("5.5p2", "5.5p1", operator.gt),
        ("5.5p10", "5.5p10", operator.eq),
        ("5.5p1", "5.5p10", operator.lt),
        ("5.5p10", "5.5p1", operator.gt),
        ("10xyz", "10.1xyz", operator.lt),
        ("10.1xyz", "10xyz", operator.gt),
        ("xyz10", "xyz10", operator.eq),
        ("xyz10", "xyz10.1", operator.lt),
        ("xyz10.1", "xyz10", operator.gt),
        ("xyz.4", "xyz.4", operator.eq),
        ("xyz.4", "8", operator.lt),
        ("8", "xyz.4", operator.gt),
        ("xyz.4", "2", operator.lt),
        ("2", "xyz.4", operator.gt),
        ("5.5p2", "5.6p1", operator.lt),
        ("5.6p1", "5.5p2", operator.gt),
        ("5.6p1", "6.5p1", operator.lt),
        ("6.5p1", "5.6p1", operator.gt),
        ("6.0.rc1", "6.0", operator.gt),
        ("6.0", "6.0.rc1", operator.lt),
        ("10b2", "10a1", operator.gt),
        ("10a2", "10b2", operator.lt),
        ("1.0aa", "1.0aa", operator.eq),
        ("1.0a", "1.0aa", operator.lt),
        ("1.0aa", "1.0a", operator.gt),
        ("10.0001", "10.0001", operator.eq),
        ("10.0001", "10.1", operator.eq),
        ("10.1", "10.0001", operator.eq),
        ("10.0001", "10.0039", operator.lt),
        ("10.0039", "10.0001", operator.gt),
        ("4.999.9", "5.0", operator.lt),
        ("5.0", "4.999.9", operator.gt),
        ("20101121", "20101121", operator.eq),
        ("20101121", "20101122", operator.lt),
        ("20101122", "20101121", operator.gt),
        ("2_0", "2_0", operator.eq),
        ("2.0", "2_0", operator.eq),
        ("2_0", "2.0", operator.eq),
        ("a", "a", operator.eq),
        ("a+", "a+", operator.eq),
        ("a+", "a_", operator.eq),
        ("a_", "a+", operator.eq),
        ("+a", "+a", operator.eq),
        ("+a", "_a", operator.eq),
        ("_a", "+a", operator.eq),
        ("+_", "+_", operator.eq),
        ("_+", "+_", operator.eq),
        ("_+", "_+", operator.eq),
        ("+", "_", operator.eq),
        ("_", "+", operator.eq),
        # other tests
        ('0.99.beta19', '0.99.beta14', operator.gt),
        ("1.0.0", "2.0.0", operator.lt),
        (".0.0", "2.0.0", operator.lt),
        ("alpha", "beta", operator.lt),
        ("1.0", "1.0.0", operator.lt),
        ("2.456", "2.1000", operator.lt),
        ("2.1000", "3.111", operator.lt),
        ("2.001", "2.1", operator.eq),
        ("2.34", "2.34", operator.eq),
        ("6.1.2", "6.3.8", operator.lt),
        ("1.7.3.0", "2.0.0", operator.lt),
        ("2.24.51", "2.25", operator.lt),
        ("2.1.5+20120813+gitdcbe778", "2.1.5", operator.gt),
        ("3.4.1", "3.4b1", operator.gt),
        ("041206", "200090325", operator.lt),
        ("0.6.2+git20130413", "0.6.2", operator.gt),
        ("2.6.0+bzr6602", "2.6.0", operator.gt),
        ("2.6.0", "2.6b2", operator.gt),
        ("2.6.0+bzr6602", "2.6b2x", operator.gt),
        ("0.6.7+20150214+git3a710f9", "0.6.7", operator.gt),
        ("15.8b", "15.8.0.1", operator.lt),
        ("1.2rc1", "1.2.0", operator.lt),
    ]
]

def func():
    for ver_a, ver_b, op in versions:
        if op is operator.eq:
            for o, name in [(op, 'eq'), (operator.ge, 'ge'), (operator.le, 'le')]:
                assert o(ver_a, ver_b)
        if op is operator.lt:
            for o, name in [(op, 'lt'), (operator.le, 'le'), (operator.ne, 'ne')]:
                assert o(ver_a, ver_b)
            for o, name in [(operator.gt, 'gt'), (operator.ge, 'ge'), (operator.eq, 'eq')]:
                assert not o(ver_a, ver_b)
        if op is operator.gt:
            for o, name in [(op, 'gt'), (operator.ge, 'ge'), (operator.ne, 'ne')]:
                assert o(ver_a, ver_b)
            for o, name in [(operator.lt, 'lt'), (operator.le, 'le'), (operator.eq, 'eq')]:
                assert not o(ver_a, ver_b)

print(timeit.timeit(func, number=10000))